1.She notes that Brazilian officials said the technology was supposed to help protect the country during the 2014 World Cup competition.
be supposed to 應該;被期望
The government, the executive and the judi-ciary are supposed to be separate.
政府、行政部門和司法部門應該彼此分離 。
They are supposed to be here at about half four.
他們應該在4點半左右到達這里 。